feat(ui): add MVP host/player web screens

lobby/urls.py

@@ -1,10 +1,12 @@
 from django.urls import path
 
-from . import views
+from . import ui_views, views
 
 app_name = "lobby"
 
 urlpatterns = [
+    path("ui/host", ui_views.host_screen, name="host_screen"),
+    path("ui/player", ui_views.player_screen, name="player_screen"),
     path("sessions/create", views.create_session, name="create_session"),
     path("sessions/join", views.join_session, name="join_session"),
     path("sessions/<str:code>", views.session_detail, name="session_detail"),
@@ -34,4 +36,3 @@ urlpatterns = [
     path("sessions/<str:code>/finish", views.finish_game, name="finish_game"),
     path("sessions/<str:code>/rounds/next", views.start_next_round, name="start_next_round"),
 ]
-